definitive

[dih-fin-i-tiv] / dɪˈfɪn ɪ tɪv /

ADJECTIVE

authoritative

Synonyms

STRONGEST

actual categorical clear-cut conclusive decisive definite exhaustive precise reliable specific ultimate unambiguous

WEAK

absolute closing complete completing concluding determining downright ending express final finishing flat out last limiting nailed down perfect plain real settling straight out terminal terminating

Antonyms

STRONGEST

ambiguous false imprecise indefinite inexact questionable uncertain vague

WEAK

incomplete inconclusive interim temporary unreliable

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Greene noted more slack in the U.K. jobs market and weaker demand than in 2022, suggesting definitive evidence of these effects isn't yet available.

From The Wall Street Journal • Apr. 14, 2026

That is formidable, but this book is meant to be definitive, and it succeeds in accomplishing that.

From Salon • Apr. 14, 2026

However, the data is limited and not definitive.

From Science Daily • Apr. 12, 2026

Sarkozy has faced a series of legal issues since leaving office and has already received two definitive convictions in other cases.

From Barron's • Apr. 7, 2026

No definitive data exist, but the majority of the extant evidentiary scraps indicate it.

From "1491" by Charles C. Mann

Vocabulary lists containing definitive

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G.1: Principles of Geography (Sources 1–14)

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Extremely Loud and Incredibly Close

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